Popup Fullscreen Ads on my s8! Help please!!!

Yesterday out of the blue my s8 started popping fullscreen ads randomly anywhere, inside apps and homescreen too. They appear very random every 20 minutes 3 ads at the same time or every 5 minutes... I have searched but nothing gives me an answer to this. I cant find a fix and I dont want to restore my whole phone... I havent downloaded any new apps, havent visited any websites with viruses and i never had this before. Its really annoying it messed my whole phone up.. Cant even play games from the ads. Does anyone have the same issue or know how i fix this?

Update: I uninstalled almost every application from my phone without success, then I tried something else...I deleted the samsung internet application and re-installed it and looks like Ads went away..Its been 1 hour without any ad I will let you know after if this really solved my problem. Look like a website in my cache had a virus or something.

"attackers can net hundreds of thousands of dollars per month by getting an app into Google Play, through techniques like slamming users with exploitative in-app purchases, and generating fraudulent ad revenue in infected apps." https://www.wired.com/story/google-play-store-malware/

After many calls to tech coach that were unsuccessful I started deleting apps 1 by 1. NOTE 8 Music Player deleted and no more full screen ads. In my onion that was the cause of unwanted full screen ads on my Note 8

After many calls to tech coach that were unsuccessful I started deleting apps 1 by 1. NOTE 8 Music Player deleted and no more full screen ads. In my onion that was the cause of unwanted full screen ads on my Note 8

Hi
you can the App which generate the full screen ads the block or unstill it. Here is the way;

press the left button which makes multi-windows App to close them, as the Apps at this shape, look for the Ads window and from the left-up corner, press long, it will show you exactly the real app behind the ads

colin_ig
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Hey (SAMSUNG GALAXY S7)
I have the same problem. The point is I didn't install any apps at all in the last 4 days.
This annoying ads pops up even when somebody is calling me.
As u can see in the img uploaded, I pressed the left button for the multi-windows App to close them (like Ibrahim Alenezi said), and did a screenshot. The logo it's sort of a green "N" (Nougat logo).
Malwarebytes and Adguard didn't solve the problem so what I did was uninstalling apps that didn't come with the phone. We'll see if those bloody ads will still bothering me.

I am having a very difficult time with ads from everywhere and then every variety described here. So you said that you deleted the Samsung internet app from your S8, correct? I am unable to delete that app. I can disable it... How do I delete it?

Ibrahim, thank you for the tip, it works and I caught the culprit. It is an app called PDF Reader, but not the one from Adobe. I guess google play failed to filter it. It woke me up today at 2am with a loud Uber ad! Man, you made my day.

Hi
you can the App which generate the full screen ads the block or unstill it. Here is the way;

press the left button which makes multi-windows App to close them, as the Apps at this shape, look for the Ads window and from the left-up corner, press long, it will show you exactly the real app behind the ads

Thanks ! It works for me. Except I have a OnePlus phone and the button which makes multi-windows App to close them is on right 😉

After many calls to tech coach that were unsuccessful I started deleting apps 1 by 1. NOTE 8 Music Player deleted and no more full screen ads. In my onion that was the cause of unwanted full screen ads on my Note 8